LEYBOLD Trivac D16A User Manual

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Symptoms
3.
The pump will net
achieve its
ultimate
pressure (cent'd.).
4.
The evacuated vessel
er
system
is
vented
to.
Trouble Area
I.
Meter
(73)
m.
Medule a-rings
(47)
are dirty er
damaged.
n.
Intake tube.
Probable Cause
Meter
is
retating
in
wreng directien.
Meter malfunctien
Oirty er
damaged a-rings
(47)
are allewing venting
ef medule.
a-ring
(5)
is
allewing
venting ef medule.
Sealing surface
en
bettem ef tube
is scratched.
e.
For D4A, D16A, Valve plate
(58)
is
dirty
D60A, and D90A er wern. pump
models
only-valve
plate (58)
a.
Vacuum line er
evacuated vessel
Vacuum line er vessel
centains leak.
Interchange line
ends.
Check
rotatienal leek bearing.
Centact meter manufacturer's service center.
Install new a-rings (47).
Install new a-ring
(5).
Smo.eth
scratches with jeweler's reuge.
+ Clean er replace valve plate.
Repair leak er + clean a-ring if dirty.
0-13 & F-1b
0-13 &
F-1
B-1
thru F-17
B-1, B-2, B-4,
&
0-4
B-1, B-2, & B-4
B-1
thru B-7 &
0-11
after pump shutdewn.
b.
Anti-suck back ·Valve disk
(67)
is
wern Remeve eld disk
(67)
and install new ene or
B-1
thru B-7,
atmespheric pressure
/t----------+-I----------+------------------+---------I
valve assembly
er
dirty. clean eld disk. Fig. 5-13, &
0-5
Valve disk
(67)
and
+ Clean disk and pisten er install new enes.
B-1
thru B-7,
C-1
pisten
(68)
are stuck in + Clean intake tube pertien ef high vacuum &
0-5
place
in
high vacuum pump cylinder (55).
pump
cylinder (55).
·This
celumn centains the disassembly steps required
to.
perferm the cerrective actien. Seme critical assembly steps are
also.
listed. If the sectien is net specified, the steps are lecated
in
Sectien
5.
+ Use the general cleaning instructiens
at
the beginning ef Section
5-E.

LEYBOLD Trivac D16A Specifications

General

Brand	LEYBOLD
Model	Trivac D16A
Category	Water Pump
Language	English